000 00425pam a2200169a 44500
082 _a517.38
_bL52d2
100 _aLefschetz, Solomon
245 1 _aDIFFERENTIAL EQUATIONS
_cGEOMERIC THEORY
250 _a2nd
260 _aN. Y.
_bInterscience
_c1963
300 _a390
440 _aPure And Applied Mathematics, V. 6
_v
650 _aDifferential Equations
650 _aTopology
964 _gCIRC
997 _a52046 C
999 _c428925
_d428925